Esmé Augusta Bianco (born 25 May 1982) is a British actress and neo-burlesque performer, who is best known for her recurring roles as Ros on Game of Thrones and Jane Chatwin on The Magicians.

Bianco's feature films parts include Burlesque Fairytales, in which she played "Mother" in one of the tales. She also appeared in Chemical Wedding, Dead Man Running, The Big I Am, and The Scorpion King 4: Quest for Power. Bianco appeared as the character Ros, a prostitute in King's Landing, in the HBO series Game of Thrones. She first appeared in the series premiere "Winter Is Coming", returning for 13 more episodes, often in the show's "sexposition" scenes, before her character is murdered in the season 3 episode "The Climb".